243252613413 has 48 divisors (see below), whose sum is σ = 375543866880. Its totient is φ = 151278285312.

The previous prime is 243252613381. The next prime is 243252613423. The reversal of 243252613413 is 314316252342.

243252613413 is a `hidden beast` number, since 2 + 4 + 3 + 25 + 2 + 613 + 4 + 13 = 666.

It is not a de Polignac number, because 243252613413 - 2⁵ = 243252613381 is a prime.

It is a super-3 number, since 3×243252613413³ (a number of 35 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243252613423) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 7686220 + ... + 7717802.

It is an arithmetic number, because the mean of its divisors is an integer number (7823830560).

Almost surely, 2^243252613413 is an apocalyptic number.

It is an amenable number.

243252613413 is a deficient number, since it is larger than the sum of its proper divisors (132291253467).

243252613413 is a wasteful number, since it uses less digits than its factorization.

243252613413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32298 (or 32295 counting only the distinct ones).

The product of its digits is 103680, while the sum is 36.

Adding to 243252613413 its reverse (314316252342), we get a palindrome (557568865755).

The spelling of 243252613413 in words is "two hundred forty-three billion, two hundred fifty-two million, six hundred thirteen thousand, four hundred thirteen".